Send to a friendMcCain on immigration: 'Guarded optimism' on 70 votes

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McCain on immigration: 'Guarded optimism' on 70 votes

Sen. John McCain, at an immigration summit, says he still has 'guarded optimism' that immigration reform can get 70 votes in the Senate. Also, McCain says that Boston will not change the need for immigration reform. 04/26/2013 3:14 PM EDT